{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-051750","form_type":"8-K","ticker":"CERO","cik":"0001870404","company_name":"CERO THERAPEUTICS HOLDINGS, INC.","filed_at":"2025-06-06T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.306991+00:00","generated_at":"2026-05-19T18:39:15.033001+00:00","sec_items":["3.02","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"CERo Therapeutics raises ~$750k in Series D financing; first-in-human dosing under way","bullets":["Gross proceeds from additional closing ~$750k; total Series D up to $8M with $5M previously issued.","Series D convertible preferred converts to common; additional $2.25M possible at investors' option.","Proceeds to support clinical development of CAR-T candidate CER-1236, including IND allowances and site activation at MDACC.","Company reports first-in-human dosing in AML for CER-1236, a TIM-4L-targeted autologous CAR-T.","CEO Chris Ehrlich cites continued investor support and clinical progress."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-051750","json":"https://secwatch.observer/filing/0001213900-25-051750.json","markdown":"https://secwatch.observer/filing/0001213900-25-051750.md","text":"https://secwatch.observer/filing/0001213900-25-051750.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1870404/000121390025051750/0001213900-25-051750-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1870404/000121390025051750/ea0244845-8k_cero.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-19T18:39:15.033001+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}